X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fxhci-mem.c;h=2a82c927ded21d7b6c44b67239265044b2fa93e6;hp=7c2501a607c8f92d678bf2dadfab7d342fb7a6d3;hb=571949a40a9c00fdaa3d0256cf43c9e0c25ff2d1;hpb=21bdb3b071a7c6f34999545092bf15480ab95f49

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 7c2501a607c8..2a82c927ded2 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2050,11 +2050,12 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports,
 {
 	u32 temp, port_offset, port_count;
 	int i;
-	u8 major_revision;
+	u8 major_revision, minor_revision;
 	struct xhci_hub *rhub;
 
 	temp = readl(addr);
 	major_revision = XHCI_EXT_PORT_MAJOR(temp);
+	minor_revision = XHCI_EXT_PORT_MINOR(temp);
 
 	if (major_revision == 0x03) {
 		rhub = &xhci->usb3_rhub;
@@ -2068,7 +2069,9 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports,
 		return;
 	}
 	rhub->maj_rev = XHCI_EXT_PORT_MAJOR(temp);
-	rhub->min_rev = XHCI_EXT_PORT_MINOR(temp);
+
+	if (rhub->min_rev < minor_revision)
+		rhub->min_rev = minor_revision;
 
 	/* Port offset and count in the third dword, see section 7.2 */
 	temp = readl(addr + 2);